Java - 백준 코딩테스트 10952번 [while문 - A + B - 5]

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;
 
public class AplusB5 {
 
    public static void main(String[] args) throws IOException {
        // 20210618 - 10952번
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        
        int count = 1;
        while (true) {
            StringTokenizer st = new StringTokenizer(br.readLine(), " ");
 
            int num1 = Integer.parseInt(st.nextToken());
            int num2 = Integer.parseInt(st.nextToken());
            count++;
            
            if (num1 == 0 && num2 == 0) {
                break;
            }
            
            bw.write(String.valueOf(num1 + num2));
            bw.newLine();
        }    
        bw.flush();
        br.close();
        bw.close();
    }
}